parsea

parsea is a parser combinator library for parsing ArrayLike with TypeScript.

import * as P from "parsea";

const parser = P.seq([
    P.regex(/-?\d+(\.\d+)?/).map(Number.parseFloat),
    P.regex(/[A-Z]+/i),
]).map(([value, unit]) => ({ value, unit }));

P.parseA(parser, "273.15K"); // => { value: 273.15, unit: "K" }

See also examples/ directory.

Inspired by

• loquat
• parsimmon
• parsec (haskell)